Orona

Orona atoll, also known as Hull Island, is one of the Phoenix Islands in the Republic of Kiribati. measures approximately 8.8 km by 4 km, and like Kanton, is a narrow ribbon of land surrounding a sizable lagoon with depths of 15–20 metres. Numerous passages connect the lagoon to the surrounding ocean, only a couple of which will admit even a small boat. Total land area is 3.9 km2, and the maximum elevation is nine metres.